SD hydraulic rotary drilling rig
High efficiency;
Quick tools switching system;
No noise,no sound operation;
CE certificate.

SD series multifunctional hydraulic rotary drilling rigs:

Main Advantage:

* Advanced technology of mechanic-electric-hydraulic High efficiency;

* Multifunctional type with quick tools switching system;

* No noise,no sound operation;

* Utility model patent and CE certificate.

Application:

It's widely used in high speed railway,highway and bridges projects and used in clay,sand,cobbles,medium-weathered rocks and frozen soil layers.

Technical parameters:

* height of tower: 19100mm,19800mm,20100mm,21500mm,22870mm

* hole diameters: 750mm,1000mm,1200mm,1500mm,2000mm,2500mm

* drilling depth:35m,44m,56m,68m,77m,81m etc.

Major components:

* Chasis:Special extensible chasis with freely telescopic pedrail;

* Winch:Special winch unit;

* Engine Original CUMMINS turbocharges intercooled engines;Euro II ,Euro III compliant;

* Hydraulic system:negative flow control,auxiliary circuit the load sensitive control,imported hydraulic pump,multi-way valves and travel motors;

* PLC Control system,multifunctional display;

* Driven uint:unique power head,3-section foldable mast;

* Drill pipe: friction type kelly bar and inter-locking kelly bar;

* Drilling bit: auger bit,cylindric bit,rock core bit.